Panasonic LUMIX S1RII vs Panasonic LUMIX S9

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LUMIX S1RII compared with LUMIX S9
PanasonicLUMIX S1RIIPanasonicLUMIX S9
Overview
ReleasedMarch 2025June 2024
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBSI CMOSCMOS
Sensor dimensions35.8 × 23.9 mm35.6 × 23.8 mm
Effective resolution44.3 MP24.2 MP
Largest image8144 × 54246000 × 4000
RAW recordingYesYes
Standard ISO range80–51200100–51200
Sensor detail44.3 million effective and 45.9 million total pixels; 35.8 × 23.9 mm BSI CMOS (maker US announcement); normal 3:2 stills 8144×5424. Eight-frame high-resolution composites reach 16288×10848 and are separate from native sensor resolutionMaker approximately 24.2 million effective and 25.3 million total pixels; 35.6 × 23.8 mm CMOS. Native 3:2 stills 6000×4000; high-resolution composites up to 12000×8000 are separate from native output
Image formatsJPEG, RAW and HEIF; high-resolution composites use RAW/JPEG rather than HEIFJPEG, RAW and RAW+JPEG; sRGB/Adobe RGB; 4K Photo is not supported
ISO detailStandard stills ISO 80–51200; expanded 40 and 102400; native standard sensitivities ISO 80/400, distinct from V-Log and other video profilesStandard stills ISO 100–51200; expanded 50/102400/204800. V-Log and HLG have different standard and expanded ranges
Lens and shooting
Lens mountL-MountL-Mount
StabilisationLens and sensor shiftLens and sensor shift
Maximum continuous burst40 fps9 fps
AutofocusPhase Hybrid AF using phase and contrast detection; human, animal, car, motorcycle/bicycle, train and aircraft recognition; −6 to 18 EV with f/1.4 lens, ISO 100 and AFS. Subject type must be selected manually (both reviews)Phase/contrast hybrid TTL AF; AFS/AFC/MF, tracking/full-area/zones/single-area/pinpoint. Current Japan recognition includes people, animals, cars, motorcycles, trains and aircraft; maker firmware version 1.1 added trains/aircraft and additional vehicle target parts, rather than assumed launch support
ShutterMechanical 60–1/8000 second and Bulb to approximately 30 minutes; electronic first curtain 60–1/2000; electronic image-priority 60–1/8000 or speed-priority 60–1/16000, Bulb to approximately 60 secondsElectronic shutter only; stills 60–1/8000 second, with maximum exposure shorter above ISO 1600. Time mode approximately 60 seconds; Bluetooth remote permits Bulb under maker restrictions
Burst detailFull-resolution electronic SH 40 or 20 fps with AFS/AFC/MF; SH buffer 70 RAW/JPEG or 65 HEIF frames. Mechanical speed-priority H+ up to 10 fps AFC, or 8 fps AFC with live view; image-priority H+ 9 fps AFC, or 7 fps AFC with live view. Current maker settings supersede older review reports that electronic 20 fps was unavailableNormal full-resolution electronic H burst 9 fps AFS/MF or 8 fps AFC; at least 55 RAW, 35 RAW+JPEG or 120 JPEG frames under maker test/media conditions. SH/SH PRE is a separate 30 fps AFS/AFC/MF burst limited to 36 frames (approximately 1.2 seconds), excluded from the headline continuous-burst figure; medium/low-speed modes have different buffers
Stabilisation detailFive-axis sensor-shift B.I.S., eight centre/seven corner stops with S-R2060 at 60 mm; Dual I.S.2 seven centre/corner stops with S-R24105 at 105 mm, CIPA-2024. Electronic video IS is separate; current Japan table marks crop-less mode as firmware 3.0Five-axis sensor-shift B.I.S. rated five stops with S-R2060 at 60 mm; compatible-lens Dual I.S.2 rated 6.5 stops with S-E70200 at 200 mm, CIPA yaw/pitch conditions. Electronic video stabilisation and Boost I.S. are separate modes, not the basis of the Dual I.S.2 stills rating
FlashExternal flash support, no built-in flash (Photography Blog); sync up to 1/250 second with maker flash-output restrictionsNo built-in flash and no external-flash support; accessory shoe is a cold shoe
Video
Highest video resolution8064 × 5376 at 24 fps5952 × 3968 at 29.97 fps
Video detailCurrent maker supplement lists internal 8064×5376 3:2 open-gate HEVC 4:2:0 10-bit at 23.98/24p; 8128×4288 17:9 at 29.97p and 7680×4320 UHD at 29.97p. Internal 5760×3040 ProRes RAW HQ/RAW up to 29.97p; image-area and media restrictions depend on mode. HDMI RAW 8128×5418 at 23.98p is external-recorder output, not the internal headline. Open-gate 8.1K was a promised firmware upgrade at launch and appears in the current maker table; no launch availability inferredInternal 5952×3968 3:2 open-gate 6K at 29.97p, 4:2:0 10-bit HEVC Long GOP 200 Mbps; 5952×3136 17:9 also available. C4K/4K at 59.94p uses APS-C crop; Full HD high-speed modes have separate crop/frame-rate restrictions. Firmware 1.1 (9 October 2024) added a recording-limit menu and an option without the timer; internal temperature can still stop recording. Launch reviews' 10-minute 6K/15-minute 4K timer limits are historical, not the sole current setting. No cooling fan (TechRadar)
AudioStereo built-in microphone; MOV LPCM up to 96 kHz/24-bit, with built-in microphone limited to 48 kHz; optional DMW-XLR2 required for 32-bit float recordingStereo built-in microphone and 3.5 mm microphone input; no headphone output. Maker internal microphone supports 48 kHz; MP4/MOV two-channel audio
Screen and viewfinder
ViewfinderElectronicNone
Screen size3″3″
Screen dots1,840,0001,840,000
TouchscreenYesYes
Tilting screenYesYes
Display detailThree-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverage; tilt and free-angle articulation (Panasonic UK)Three-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverage (maker English manual); free-angle articulation (TechRadar). No EVF or optical viewfinder
Viewfinder detail0.5-inch OLED, approximately 5.76 million dots, 100% coverage and 0.78× magnification with 50 mm lens at infinity, −1 dioptre and 3:2 aspect ratio–
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)280 photographs470 photographs
Body weight712 g403 g (better)
Release detailMaker US announcement specifies late March 2025 availability, retained at month precision without inventing a day or a UK-specific launch dateGerman maker confirms June 2024 availability; Japanese maker gives 20 June for its market. Month retained globally rather than treating the Japanese day as verified UK first sale
Recording mediaOne CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot; no XQD support inferred from Photography Blog's conflicting tableOne SD/SDHC/SDXC slot, UHS-I/UHS-II including V90 under format/recording restrictions
PortsUSB-C 10 Gbps with USB Power Delivery, full-size HDMI Type A, 2.5 mm remote, 3.5 mm stereo microphone and headphone connections; no flash-sync terminal in Japan tableUSB-C USB 10 Gbps with charging/power supply; micro HDMI Type D and 3.5 mm microphone socket; no wired remote, headphone or flash-sync socket
Wireless connectionsWi-Fi 2.4 GHz 802.11b/g/n and 5 GHz 802.11a/n/ac; Bluetooth Low Energy 5.0; Japan channel ranges not assumed identical in every regionWi-Fi 2.4 GHz 802.11b/g/n and 5 GHz 802.11a/n/ac; Bluetooth Low Energy 5.0. Region-dependent channel rules; firmware 1.1 adds LUMIX Lab remote shooting and image-selection transfer, later security updates change connection behaviour
Battery life detailDMW-BLK22; SD-card CIPA approximately 280 EVF/350 LCD shots with S-R24105, or 1100 in specified power-save EVF mode; CFexpress approximately 280/340 or 950 respectivelyDMW-BLK22; maker CIPA approximately 470 shots with S-R2060, 430 with S-R28200 or 450 with S-R1840 and SDXC. The headline uses the maker's explicitly qualified highest standard stills claim, not a conversion from video duration
ChargingIn-camera USB charging and power supply, including USB Power Delivery; optional DMW-AC11 AC adapterUSB-C in-camera charging and USB power supply supported; Japan contents list no USB adapter or cable, so these are not assumed supplied
DimensionsApproximately 134.3 × 102.3 × 91.8 mm, excluding protrusionsApproximately 126 × 73.9 × 46.7 mm, excluding protrusions
Weight detailPanasonic UK specifies 712 g body only and 795 g with shoe cover, battery and SD card; photographed body excludes lensApproximately 403 g body only; 486 g with battery and SD card, lens excluded
MaterialsDust, splash and freeze-resistant body; maker operating range −10 to 40°C with cold-temperature battery and lens restrictions; no waterproof rating inferredMaker Japan gives no dust/splash-resistance rating; operating range 0–40 °C. Metal body with leatherette covering (Tom's Guide)
In the boxJapan maker lists battery, battery charger, shoulder strap, body cap, hot-shoe cover and battery-grip contact cover; regional bundle contents may varyMaker Japan lists battery pack, shoulder strap, body cap and accessory-shoe cover; regional kit lens/accessories vary

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